1 ##===- tools/shlib/Makefile --------------------------------*- Makefile -*-===##
3 # The LLVM Compiler Infrastructure
5 # This file is distributed under the University of Illinois Open Source
6 # License. See LICENSE.TXT for details.
8 ##===----------------------------------------------------------------------===##
11 LIBRARYNAME = LLVM-$(LLVMVersion)
14 LINK_LIBS_IN_SHARED = 1
17 include $(LEVEL)/Makefile.common
19 # Include all archives in libLLVM.(so|dylib) except the ones that have
20 # their own dynamic libraries.
21 Archives := $(wildcard $(LibDir)/libLLVM*.a)
22 SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
23 IncludeInLibLlvm := $(filter-out $(basename $(SharedLibraries)).a, $(Archives))
24 LLVMLibsOptions := $(IncludeInLibLlvm:$(LibDir)/lib%.a=-l%)
25 LLVMLibsPaths := $(IncludeInLibLlvm)
27 $(LibName.SO): $(LLVMLibsPaths)
29 ifeq ($(HOST_OS),Darwin)
30 # set dylib internal version number to llvmCore submission number
31 ifdef LLVM_SUBMIT_VERSION
32 LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
33 -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
34 -Wl,-compatibility_version -Wl,1
36 # Include everything from the .a's into the shared library.
37 LLVMLibsOptions := $(LLVMLibsOptions) -all_load
38 # extra options to override libtool defaults
39 LLVMLibsOptions := $(LLVMLibsOptions) \
42 -Wl,-seg1addr -Wl,0xE0000000
44 # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
45 DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
46 ifneq ($(DARWIN_VERS),8)
47 LLVMLibsOptions := $(LLVMLibsOptions) \
49 -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
53 ifeq ($(HOST_OS), Linux)
54 # Include everything from the .a's into the shared library.
55 LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
56 -Wl,--no-whole-archive
57 # Warn if we'll need to modify the text segment when loading libLLVM.so.
58 LLVMLibsOptions += -Wl,--warn-shared-textrel
59 # Don't allow unresolved symbols.
60 LLVMLibsOptions += -Wl,--no-undefined
62 # ARM's shared libgcc omits several of the __sync functions that are
63 # present in the static libgcc, so we also link in the static gcc. This
64 # is described at http://gcc.gnu.org/PR40133.
65 LLVMLibsOptions += -lgcc